05.01.2013 Views

eWON General Reference Guide - eWON wiki

eWON General Reference Guide - eWON wiki

eWON General Reference Guide - eWON wiki

SHOW MORE
SHOW LESS

Create successful ePaper yourself

Turn your PDF publications into a flip-book with our unique Google optimized e-Paper software.

• Status register:<br />

<strong>General</strong> <strong>Reference</strong> <strong>Guide</strong> IO Servers Configuration<br />

The STATUS Tag is a special Tag that returns information about the current state of the communication for a given device. As for other Tags, the<br />

status Tag ValueName is composed of:<br />

Status, Global Device Address<br />

• You can define a status Tag for each PLC used.<br />

• If you use the status address, the Tag must be configured as analog.<br />

0<br />

5.5.3.2 The device address syntax<br />

The Device Address is used in the topic definition or in the Tag definition. If used in the Tag definition, it will be separated from the value name by<br />

a coma (’,’)<br />

• Network,Station,Gate<br />

example: 0,254,0 to access the UnitelWay device directly connected on the <strong>eWON</strong><br />

or<br />

• Network,Station,Gate,Module,Channel<br />

Communication not initialized. Status UNKNOWN.<br />

If no Tag is polled on that device address, the communication status is unknown.<br />

1 Communication OK.<br />

2 Communication NOT OK.<br />

The second case applies to addresses with 5 levels:<br />

• Network: 0..127<br />

• Station: 0..63<br />

• Gate:<br />

• Module:<br />

• Channel:<br />

Module and channel can be omitted if not required.<br />

Note: If the address is not specified, 0,254,0 will be used.<br />

Table 80: Tag Status meaning<br />

Important: If an address is specified in a Topic definition it will replace any address defined Tag by Tag.<br />

RG-001-0-EN ver 1.14 <strong>eWON</strong>® - 02/05/2012 - ©<strong>eWON</strong> sa Page 108

Hooray! Your file is uploaded and ready to be published.

Saved successfully!

Ooh no, something went wrong!